Won't Start, Just Turns Over And Backfires - Fixed! :)

[StevenF]

Went out and finally managed to get my exhaust fitted to my downpipes using a gasket I made from a can of Macaroni Cheese Anyway, tried to start my bike after it and it wouldn't start, it was turning over but just wouldn't fire up, then it sounded like it was backfiring Battery got drained so I just fully charged it and same is happening - turning over but not firing up! I thought maybe I had flooded it with petrol, how long does this usually take to clear if this is the case?

Thanks,
Steven
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My Project - Honda CBR 600 F2/FM

[Alexio]

If all of the other electrics are working fine you could take out the spark plug (if easily done) to inspect or dry it / replace it?
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will never give up his CG. I look at my fuel gauge more as a progress bar than a fuel gauge.
G: With my GSXR I do often effectively use it as a scooter with a clutch in town.
ms51ves3: why does it need 500 miles? Are you teaching it how to be a piston?

[StevenF]

[Frost]

Take the spark plug out and turn the engine over for a second, that will unflood it. Clean the plug and put it back in and it should work fine.

[chris-red]

Just leave it, it only takes a couple minutes to sort it's self out
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Well, you know what they say. If you want to save the world, you have to push a few old ladies down the stairs.
Skudd:- Perhaps she just thinks you are a window licker and is being nice just in case she becomes another Jill Dando.
WANTED:- Fujinon (Fuji) M42 (Screw on) lenses, let me know if you have anything.

[StevenF]

[chris-red]

Why?
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Well, you know what they say. If you want to save the world, you have to push a few old ladies down the stairs.
Skudd:- Perhaps she just thinks you are a window licker and is being nice just in case she becomes another Jill Dando.
WANTED:- Fujinon (Fuji) M42 (Screw on) lenses, let me know if you have anything.

[StevenF]

[Frost]

Turning the fuel tap off will stop the fuel going to the carb. The float bowl on the carb will be full however and will contain enough fuel to run the engine at tickover for a minute or so. Turning the engine over with the starter for a minute or so may empty the float bowl but it might cost you a new starter motor.

Most probably it's fouled the plug from not running right and the fucked plug isn't igniting the stupidly rich mixture. leaning off the mixture through running out of fuel is only half solving the problem.

[Billing]

when my nc23 did something very similar i left the bike with the fuel off, and charged the battery over night.

when i put the battery on and turned the fuel on 24hrs later it fired up first time
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'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[StevenF]

[Damon]

I find giving it a minute to settle and then giving it a good bump start normally works for me

[Alexio]

Good point, in this situation I would normally use the massive hill next to my house to "bump" start it over about a quater of a mile of downhill.
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will never give up his CG. I look at my fuel gauge more as a progress bar than a fuel gauge.
G: With my GSXR I do often effectively use it as a scooter with a clutch in town.
ms51ves3: why does it need 500 miles? Are you teaching it how to be a piston?

[StevenF]

Went out to see what it was like today and it's doing the same. My brother tried to bump start it for me but it didn't go, how much speed do you need to bump it anyway? Maybe going too slow?
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My Project - Honda CBR 600 F2/FM

[virus]

[TUG]

Weak battery and blocked air filter will cause poor starting or lack of.
If the bike has been stook for a long time then the fuel might have turned blocking the carbs but i doubt that, though it might be possible. With your poor starting you might of fouled the plugs in turn makin it hard work for yourself again.
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Haz ER-5, innit!

[StevenF]

[Alexio]

And after all of this you still haven't checked / changed the spark plug(s)?


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will never give up his CG. I look at my fuel gauge more as a progress bar than a fuel gauge.
G: With my GSXR I do often effectively use it as a scooter with a clutch in town.
ms51ves3: why does it need 500 miles? Are you teaching it how to be a piston?

[StevenF]

[StevenF]

Just about to inspect the spark plugs but I can't get the tool down to reach the plugs, do I need to remove the radiator to get to them (thus the side fairing as well?0

CBR 600 F2
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My Project - Honda CBR 600 F2/FM

[Stelmer]

Most of the time, the tank and side pannels are the only things that need to be moved. Bolts are underneath the seat usually.

I just unbolt the tank and turn it sideways, making sure there's enough fuel hose and that the tank is stable.

[StevenF]

[Bofh5]

my F2 it was just the inspection covers on the fairing then reach in and undo the plugs.
Very fiddly but can be done
Good luck
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(L)users...Disk space is to good for them.

Bikes: Honda 50 / CB125-TDC / 93 CBR600 F2 (Stolen & Trashed) / 2001 SP-1 (Sold) / 95 CBR600 F3

[StevenF]

[Stelmer]

Ahh...I had one of those and it was useless.

You want a proper socket like this or this for example. Obviously do check what size socket you need....

I brought one from Halfrauds which was deep and thin to fit down into the recess on my old ER5. The car alternative was too fat to fit.